3UFE

Structure of transcriptional antiterminator (BGLG-family) at 1.5 A resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6	293	2.4 M ammonium sulfate, 0.1 M citric acid, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.68	26.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.36	α = 90
b = 65.81	β = 109.62
c = 38.29	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD	MIRRORS	2008-11-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.496	36.07	99.7	0.0457	0.0292	18.6	5.41		27940		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.5	1.6	98.3		0.3406	0.3125	3.16	3.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3GWH	1.5	36.07	26515	1401	99.73	0.15892	0.15671	0.19961	RANDOM	8.445

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.4		-0.69	0.14		-0.2

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.046
r_dihedral_angle_4_deg	22.005
r_dihedral_angle_3_deg	12.879
r_dihedral_angle_1_deg	5.096
r_scangle_it	4.94
r_scbond_it	3.413
r_mcangle_it	1.957
r_angle_refined_deg	1.472
r_rigid_bond_restr	1.345
r_mcbond_it	1.215
r_angle_other_deg	0.922
r_mcbond_other	0.377
r_chiral_restr	0.085
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1701
Nucleic Acid Atoms
Solvent Atoms	81
Heterogen Atoms	24

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
SADABS	data scaling